// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

#include "crc32.h"

#include <stddef.h>
#include <stdio.h>

#include "ppl/common/log.h"

namespace ppl {
namespace cv {
namespace x86 {

static const uint32_t crc_table[4][256] = {
    {   0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,
        0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
        0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
        0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
        0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
        0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
        0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC,
        0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
        0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
        0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
        0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940,
        0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
        0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116,
        0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
        0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
        0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
        0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A,
        0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
        0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818,
        0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
        0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
        0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
        0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C,
        0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
        0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
        0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
        0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
        0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
        0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086,
        0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
        0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4,
        0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
        0xEDB88320, 0x9ABFB3B6, 0x03B6E20C,0x74B1D29A,
        0xEAD54739, 0x9DD277AF, 0x04DB2615,0x73DC1683,
        0xE3630B12, 0x94643B84, 0x0D6D6A3E,0x7A6A5AA8,
        0xE40ECF0B, 0x9309FF9D, 0x0A00AE27,0x7D079EB1,
        0xF00F9344, 0x8708A3D2, 0x1E01F268,0x6906C2FE,
        0xF762575D, 0x806567CB, 0x196C3671,0x6E6B06E7,
        0xFED41B76, 0x89D32BE0, 0x10DA7A5A,0x67DD4ACC,
        0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43,0x60B08ED5,
        0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4,0x4FDFF252,
        0xD1BB67F1, 0xA6BC5767, 0x3FB506DD,0x48B2364B,
        0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6,0x41047A60,
        0xDF60EFC3, 0xA867DF55, 0x316E8EEF,0x4669BE79,
        0xCB61B38C, 0xBC66831A, 0x256FD2A0,0x5268E236,
        0xCC0C7795, 0xBB0B4703, 0x220216B9,0x5505262F,
        0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92,0x5CB36A04,
        0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B,0x5BDEAE1D,
        0x9B64C2B0, 0xEC63F226, 0x756AA39C,0x026D930A,
        0x9C0906A9, 0xEB0E363F, 0x72076785,0x05005713,
        0x95BF4A82, 0xE2B87A14, 0x7BB12BAE,0x0CB61B38,
        0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7,0x0BDBDF21,
        0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8,0x1FDA836E,
        0x81BE16CD, 0xF6B9265B, 0x6FB077E1,0x18B74777,
        0x88085AE6, 0xFF0F6A70, 0x66063BCA,0x11010B5C,
        0x8F659EFF, 0xF862AE69, 0x616BFFD3,0x166CCF45,
        0xA00AE278, 0xD70DD2EE, 0x4E048354,0x3903B3C2,
        0xA7672661, 0xD06016F7, 0x4969474D,0x3E6E77DB,
        0xAED16A4A, 0xD9D65ADC, 0x40DF0B66,0x37D83BF0,
        0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F,0x30B5FFE9,
        0xBDBDF21C, 0xCABAC28A, 0x53B39330,0x24B4A3A6,
        0xBAD03605, 0xCDD70693, 0x54DE5729,0x23D967BF,
        0xB3667A2E, 0xC4614AB8, 0x5D681B02,0x2A6F2B94,
        0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B,0x2D02EF8D,
    },
    {   0x00000000, 0x191B3141, 0x32366282, 0x2B2D53C3,
        0x646CC504, 0x7D77F445, 0x565AA786, 0x4F4196C7,
        0xC8D98A08, 0xD1C2BB49, 0xFAEFE88A, 0xE3F4D9CB,
        0xACB54F0C, 0xB5AE7E4D, 0x9E832D8E, 0x87981CCF,
        0x4AC21251, 0x53D92310, 0x78F470D3, 0x61EF4192,
        0x2EAED755, 0x37B5E614, 0x1C98B5D7, 0x05838496,
        0x821B9859, 0x9B00A918, 0xB02DFADB, 0xA936CB9A,
        0xE6775D5D, 0xFF6C6C1C, 0xD4413FDF, 0xCD5A0E9E,
        0x958424A2, 0x8C9F15E3, 0xA7B24620, 0xBEA97761,
        0xF1E8E1A6, 0xE8F3D0E7, 0xC3DE8324, 0xDAC5B265,
        0x5D5DAEAA, 0x44469FEB, 0x6F6BCC28, 0x7670FD69,
        0x39316BAE, 0x202A5AEF, 0x0B07092C, 0x121C386D,
        0xDF4636F3, 0xC65D07B2, 0xED705471, 0xF46B6530,
        0xBB2AF3F7, 0xA231C2B6, 0x891C9175, 0x9007A034,
        0x179FBCFB, 0x0E848DBA, 0x25A9DE79, 0x3CB2EF38,
        0x73F379FF, 0x6AE848BE, 0x41C51B7D, 0x58DE2A3C,
        0xF0794F05, 0xE9627E44, 0xC24F2D87, 0xDB541CC6,
        0x94158A01, 0x8D0EBB40, 0xA623E883, 0xBF38D9C2,
        0x38A0C50D, 0x21BBF44C, 0x0A96A78F, 0x138D96CE,
        0x5CCC0009, 0x45D73148, 0x6EFA628B, 0x77E153CA,
        0xBABB5D54, 0xA3A06C15, 0x888D3FD6, 0x91960E97,
        0xDED79850, 0xC7CCA911, 0xECE1FAD2, 0xF5FACB93,
        0x7262D75C, 0x6B79E61D, 0x4054B5DE, 0x594F849F,
        0x160E1258, 0x0F152319, 0x243870DA, 0x3D23419B,
        0x65FD6BA7, 0x7CE65AE6, 0x57CB0925, 0x4ED03864,
        0x0191AEA3, 0x188A9FE2, 0x33A7CC21, 0x2ABCFD60,
        0xAD24E1AF, 0xB43FD0EE, 0x9F12832D, 0x8609B26C,
        0xC94824AB, 0xD05315EA, 0xFB7E4629, 0xE2657768,
        0x2F3F79F6, 0x362448B7, 0x1D091B74, 0x04122A35,
        0x4B53BCF2, 0x52488DB3, 0x7965DE70, 0x607EEF31,
        0xE7E6F3FE, 0xFEFDC2BF, 0xD5D0917C, 0xCCCBA03D,
        0x838A36FA, 0x9A9107BB, 0xB1BC5478, 0xA8A76539,
        0x3B83984B, 0x2298A90A, 0x09B5FAC9, 0x10AECB88,
        0x5FEF5D4F, 0x46F46C0E, 0x6DD93FCD, 0x74C20E8C,
        0xF35A1243, 0xEA412302, 0xC16C70C1, 0xD8774180,
        0x9736D747, 0x8E2DE606, 0xA500B5C5, 0xBC1B8484,
        0x71418A1A, 0x685ABB5B, 0x4377E898, 0x5A6CD9D9,
        0x152D4F1E, 0x0C367E5F, 0x271B2D9C, 0x3E001CDD,
        0xB9980012, 0xA0833153, 0x8BAE6290, 0x92B553D1,
        0xDDF4C516, 0xC4EFF457, 0xEFC2A794, 0xF6D996D5,
        0xAE07BCE9, 0xB71C8DA8, 0x9C31DE6B, 0x852AEF2A,
        0xCA6B79ED, 0xD37048AC, 0xF85D1B6F, 0xE1462A2E,
        0x66DE36E1, 0x7FC507A0, 0x54E85463, 0x4DF36522,
        0x02B2F3E5, 0x1BA9C2A4, 0x30849167, 0x299FA026,
        0xE4C5AEB8, 0xFDDE9FF9, 0xD6F3CC3A, 0xCFE8FD7B,
        0x80A96BBC, 0x99B25AFD, 0xB29F093E, 0xAB84387F,
        0x2C1C24B0, 0x350715F1, 0x1E2A4632, 0x07317773,
        0x4870E1B4, 0x516BD0F5, 0x7A468336, 0x635DB277,
        0xCBFAD74E, 0xD2E1E60F, 0xF9CCB5CC, 0xE0D7848D,
        0xAF96124A, 0xB68D230B, 0x9DA070C8, 0x84BB4189,
        0x03235D46, 0x1A386C07, 0x31153FC4, 0x280E0E85,
        0x674F9842, 0x7E54A903, 0x5579FAC0, 0x4C62CB81,
        0x8138C51F, 0x9823F45E, 0xB30EA79D, 0xAA1596DC,
        0xE554001B, 0xFC4F315A, 0xD7626299, 0xCE7953D8,
        0x49E14F17, 0x50FA7E56, 0x7BD72D95, 0x62CC1CD4,
        0x2D8D8A13, 0x3496BB52, 0x1FBBE891, 0x06A0D9D0,
        0x5E7EF3EC, 0x4765C2AD, 0x6C48916E, 0x7553A02F,
        0x3A1236E8, 0x230907A9, 0x0824546A, 0x113F652B,
        0x96A779E4, 0x8FBC48A5, 0xA4911B66, 0xBD8A2A27,
        0xF2CBBCE0, 0xEBD08DA1, 0xC0FDDE62, 0xD9E6EF23,
        0x14BCE1BD, 0x0DA7D0FC, 0x268A833F, 0x3F91B27E,
        0x70D024B9, 0x69CB15F8, 0x42E6463B, 0x5BFD777A,
        0xDC656BB5, 0xC57E5AF4, 0xEE530937, 0xF7483876,
        0xB809AEB1, 0xA1129FF0, 0x8A3FCC33, 0x9324FD72,
    },
    {   0x00000000, 0x01C26A37, 0x0384D46E, 0x0246BE59,
        0x0709A8DC, 0x06CBC2EB, 0x048D7CB2, 0x054F1685,
        0x0E1351B8, 0x0FD13B8F, 0x0D9785D6, 0x0C55EFE1,
        0x091AF964, 0x08D89353, 0x0A9E2D0A, 0x0B5C473D,
        0x1C26A370, 0x1DE4C947, 0x1FA2771E, 0x1E601D29,
        0x1B2F0BAC, 0x1AED619B, 0x18ABDFC2, 0x1969B5F5,
        0x1235F2C8, 0x13F798FF, 0x11B126A6, 0x10734C91,
        0x153C5A14, 0x14FE3023, 0x16B88E7A, 0x177AE44D,
        0x384D46E0, 0x398F2CD7, 0x3BC9928E, 0x3A0BF8B9,
        0x3F44EE3C, 0x3E86840B, 0x3CC03A52, 0x3D025065,
        0x365E1758, 0x379C7D6F, 0x35DAC336, 0x3418A901,
        0x3157BF84, 0x3095D5B3, 0x32D36BEA, 0x331101DD,
        0x246BE590, 0x25A98FA7, 0x27EF31FE, 0x262D5BC9,
        0x23624D4C, 0x22A0277B, 0x20E69922, 0x2124F315,
        0x2A78B428, 0x2BBADE1F, 0x29FC6046, 0x283E0A71,
        0x2D711CF4, 0x2CB376C3, 0x2EF5C89A, 0x2F37A2AD,
        0x709A8DC0, 0x7158E7F7, 0x731E59AE, 0x72DC3399,
        0x7793251C, 0x76514F2B, 0x7417F172, 0x75D59B45,
        0x7E89DC78, 0x7F4BB64F, 0x7D0D0816, 0x7CCF6221,
        0x798074A4, 0x78421E93, 0x7A04A0CA, 0x7BC6CAFD,
        0x6CBC2EB0, 0x6D7E4487, 0x6F38FADE, 0x6EFA90E9,
        0x6BB5866C, 0x6A77EC5B, 0x68315202, 0x69F33835,
        0x62AF7F08, 0x636D153F, 0x612BAB66, 0x60E9C151,
        0x65A6D7D4, 0x6464BDE3, 0x662203BA, 0x67E0698D,
        0x48D7CB20, 0x4915A117, 0x4B531F4E, 0x4A917579,
        0x4FDE63FC, 0x4E1C09CB, 0x4C5AB792, 0x4D98DDA5,
        0x46C49A98, 0x4706F0AF, 0x45404EF6, 0x448224C1,
        0x41CD3244, 0x400F5873, 0x4249E62A, 0x438B8C1D,
        0x54F16850, 0x55330267, 0x5775BC3E, 0x56B7D609,
        0x53F8C08C, 0x523AAABB, 0x507C14E2, 0x51BE7ED5,
        0x5AE239E8, 0x5B2053DF, 0x5966ED86, 0x58A487B1,
        0x5DEB9134, 0x5C29FB03, 0x5E6F455A, 0x5FAD2F6D,
        0xE1351B80, 0xE0F771B7, 0xE2B1CFEE, 0xE373A5D9,
        0xE63CB35C, 0xE7FED96B, 0xE5B86732, 0xE47A0D05,
        0xEF264A38, 0xEEE4200F, 0xECA29E56, 0xED60F461,
        0xE82FE2E4, 0xE9ED88D3, 0xEBAB368A, 0xEA695CBD,
        0xFD13B8F0, 0xFCD1D2C7, 0xFE976C9E, 0xFF5506A9,
        0xFA1A102C, 0xFBD87A1B, 0xF99EC442, 0xF85CAE75,
        0xF300E948, 0xF2C2837F, 0xF0843D26, 0xF1465711,
        0xF4094194, 0xF5CB2BA3, 0xF78D95FA, 0xF64FFFCD,
        0xD9785D60, 0xD8BA3757, 0xDAFC890E, 0xDB3EE339,
        0xDE71F5BC, 0xDFB39F8B, 0xDDF521D2, 0xDC374BE5,
        0xD76B0CD8, 0xD6A966EF, 0xD4EFD8B6, 0xD52DB281,
        0xD062A404, 0xD1A0CE33, 0xD3E6706A, 0xD2241A5D,
        0xC55EFE10, 0xC49C9427, 0xC6DA2A7E, 0xC7184049,
        0xC25756CC, 0xC3953CFB, 0xC1D382A2, 0xC011E895,
        0xCB4DAFA8, 0xCA8FC59F, 0xC8C97BC6, 0xC90B11F1,
        0xCC440774, 0xCD866D43, 0xCFC0D31A, 0xCE02B92D,
        0x91AF9640, 0x906DFC77, 0x922B422E, 0x93E92819,
        0x96A63E9C, 0x976454AB, 0x9522EAF2, 0x94E080C5,
        0x9FBCC7F8, 0x9E7EADCF, 0x9C381396, 0x9DFA79A1,
        0x98B56F24, 0x99770513, 0x9B31BB4A, 0x9AF3D17D,
        0x8D893530, 0x8C4B5F07, 0x8E0DE15E, 0x8FCF8B69,
        0x8A809DEC, 0x8B42F7DB, 0x89044982, 0x88C623B5,
        0x839A6488, 0x82580EBF, 0x801EB0E6, 0x81DCDAD1,
        0x8493CC54, 0x8551A663, 0x8717183A, 0x86D5720D,
        0xA9E2D0A0, 0xA820BA97, 0xAA6604CE, 0xABA46EF9,
        0xAEEB787C, 0xAF29124B, 0xAD6FAC12, 0xACADC625,
        0xA7F18118, 0xA633EB2F, 0xA4755576, 0xA5B73F41,
        0xA0F829C4, 0xA13A43F3, 0xA37CFDAA, 0xA2BE979D,
        0xB5C473D0, 0xB40619E7, 0xB640A7BE, 0xB782CD89,
        0xB2CDDB0C, 0xB30FB13B, 0xB1490F62, 0xB08B6555,
        0xBBD72268, 0xBA15485F, 0xB853F606, 0xB9919C31,
        0xBCDE8AB4, 0xBD1CE083, 0xBF5A5EDA, 0xBE9834ED,
    },
    {   0x00000000, 0xB8BC6765, 0xAA09C88B, 0x12B5AFEE,
        0x8F629757, 0x37DEF032, 0x256B5FDC, 0x9DD738B9,
        0xC5B428EF, 0x7D084F8A, 0x6FBDE064, 0xD7018701,
        0x4AD6BFB8, 0xF26AD8DD, 0xE0DF7733, 0x58631056,
        0x5019579F, 0xE8A530FA, 0xFA109F14, 0x42ACF871,
        0xDF7BC0C8, 0x67C7A7AD, 0x75720843, 0xCDCE6F26,
        0x95AD7F70, 0x2D111815, 0x3FA4B7FB, 0x8718D09E,
        0x1ACFE827, 0xA2738F42, 0xB0C620AC, 0x087A47C9,
        0xA032AF3E, 0x188EC85B, 0x0A3B67B5, 0xB28700D0,
        0x2F503869, 0x97EC5F0C, 0x8559F0E2, 0x3DE59787,
        0x658687D1, 0xDD3AE0B4, 0xCF8F4F5A, 0x7733283F,
        0xEAE41086, 0x525877E3, 0x40EDD80D, 0xF851BF68,
        0xF02BF8A1, 0x48979FC4, 0x5A22302A, 0xE29E574F,
        0x7F496FF6, 0xC7F50893, 0xD540A77D, 0x6DFCC018,
        0x359FD04E, 0x8D23B72B, 0x9F9618C5, 0x272A7FA0,
        0xBAFD4719, 0x0241207C, 0x10F48F92, 0xA848E8F7,
        0x9B14583D, 0x23A83F58, 0x311D90B6, 0x89A1F7D3,
        0x1476CF6A, 0xACCAA80F, 0xBE7F07E1, 0x06C36084,
        0x5EA070D2, 0xE61C17B7, 0xF4A9B859, 0x4C15DF3C,
        0xD1C2E785, 0x697E80E0, 0x7BCB2F0E, 0xC377486B,
        0xCB0D0FA2, 0x73B168C7, 0x6104C729, 0xD9B8A04C,
        0x446F98F5, 0xFCD3FF90, 0xEE66507E, 0x56DA371B,
        0x0EB9274D, 0xB6054028, 0xA4B0EFC6, 0x1C0C88A3,
        0x81DBB01A, 0x3967D77F, 0x2BD27891, 0x936E1FF4,
        0x3B26F703, 0x839A9066, 0x912F3F88, 0x299358ED,
        0xB4446054, 0x0CF80731, 0x1E4DA8DF, 0xA6F1CFBA,
        0xFE92DFEC, 0x462EB889, 0x549B1767, 0xEC277002,
        0x71F048BB, 0xC94C2FDE, 0xDBF98030, 0x6345E755,
        0x6B3FA09C, 0xD383C7F9, 0xC1366817, 0x798A0F72,
        0xE45D37CB, 0x5CE150AE, 0x4E54FF40, 0xF6E89825,
        0xAE8B8873, 0x1637EF16, 0x048240F8, 0xBC3E279D,
        0x21E91F24, 0x99557841, 0x8BE0D7AF, 0x335CB0CA,
        0xED59B63B, 0x55E5D15E, 0x47507EB0, 0xFFEC19D5,
        0x623B216C, 0xDA874609, 0xC832E9E7, 0x708E8E82,
        0x28ED9ED4, 0x9051F9B1, 0x82E4565F, 0x3A58313A,
        0xA78F0983, 0x1F336EE6, 0x0D86C108, 0xB53AA66D,
        0xBD40E1A4, 0x05FC86C1, 0x1749292F, 0xAFF54E4A,
        0x322276F3, 0x8A9E1196, 0x982BBE78, 0x2097D91D,
        0x78F4C94B, 0xC048AE2E, 0xD2FD01C0, 0x6A4166A5,
        0xF7965E1C, 0x4F2A3979, 0x5D9F9697, 0xE523F1F2,
        0x4D6B1905, 0xF5D77E60, 0xE762D18E, 0x5FDEB6EB,
        0xC2098E52, 0x7AB5E937, 0x680046D9, 0xD0BC21BC,
        0x88DF31EA, 0x3063568F, 0x22D6F961, 0x9A6A9E04,
        0x07BDA6BD, 0xBF01C1D8, 0xADB46E36, 0x15080953,
        0x1D724E9A, 0xA5CE29FF, 0xB77B8611, 0x0FC7E174,
        0x9210D9CD, 0x2AACBEA8, 0x38191146, 0x80A57623,
        0xD8C66675, 0x607A0110, 0x72CFAEFE, 0xCA73C99B,
        0x57A4F122, 0xEF189647, 0xFDAD39A9, 0x45115ECC,
        0x764DEE06, 0xCEF18963, 0xDC44268D, 0x64F841E8,
        0xF92F7951, 0x41931E34, 0x5326B1DA, 0xEB9AD6BF,
        0xB3F9C6E9, 0x0B45A18C, 0x19F00E62, 0xA14C6907,
        0x3C9B51BE, 0x842736DB, 0x96929935, 0x2E2EFE50,
        0x2654B999, 0x9EE8DEFC, 0x8C5D7112, 0x34E11677,
        0xA9362ECE, 0x118A49AB, 0x033FE645, 0xBB838120,
        0xE3E09176, 0x5B5CF613, 0x49E959FD, 0xF1553E98,
        0x6C820621, 0xD43E6144, 0xC68BCEAA, 0x7E37A9CF,
        0xD67F4138, 0x6EC3265D, 0x7C7689B3, 0xC4CAEED6,
        0x591DD66F, 0xE1A1B10A, 0xF3141EE4, 0x4BA87981,
        0x13CB69D7, 0xAB770EB2, 0xB9C2A15C, 0x017EC639,
        0x9CA9FE80, 0x241599E5, 0x36A0360B, 0x8E1C516E,
        0x866616A7, 0x3EDA71C2, 0x2C6FDE2C, 0x94D3B949,
        0x090481F0, 0xB1B8E695, 0xA30D497B, 0x1BB12E1E,
        0x43D23E48, 0xFB6E592D, 0xE9DBF6C3, 0x516791A6,
        0xCCB0A91F, 0x740CCE7A, 0x66B96194, 0xDE0506F1,
    }
};

inline uint32_t invertWord(uint32_t x) {
#if defined(__GNUC__) || defined(__clang__)
    return __builtin_bswap32(x);
#else
    return (x >> 24) | ((x >>  8) & 0x0000FF00) | ((x << 8) & 0x00FF0000) |
           (x << 24);
#endif
}

static
uint32_t crc32Big(uint32_t crc_value, const uint8_t* data, size_t length) {
    uint32_t crc = ~crc_value;
    uint32_t word;
    const uint32_t* current_word = (const uint32_t*)data;

    while (length >= 16) {
        word = *current_word++ ^ invertWord(crc);
        crc = crc_table[0][ word        & 0xFF] ^
              crc_table[1][(word >>  8) & 0xFF] ^
              crc_table[2][(word >> 16) & 0xFF] ^
              crc_table[3][(word >> 24) & 0xFF];
        word = *current_word++ ^ invertWord(crc);
        crc = crc_table[0][ word        & 0xFF] ^
              crc_table[1][(word >>  8) & 0xFF] ^
              crc_table[2][(word >> 16) & 0xFF] ^
              crc_table[3][(word >> 24) & 0xFF];
        word = *current_word++ ^ invertWord(crc);
        crc = crc_table[0][ word        & 0xFF] ^
              crc_table[1][(word >>  8) & 0xFF] ^
              crc_table[2][(word >> 16) & 0xFF] ^
              crc_table[3][(word >> 24) & 0xFF];
        word = *current_word++ ^ invertWord(crc);
        crc = crc_table[0][ word        & 0xFF] ^
              crc_table[1][(word >>  8) & 0xFF] ^
              crc_table[2][(word >> 16) & 0xFF] ^
              crc_table[3][(word >> 24) & 0xFF];

        length -= 16;
    }

    while (length >= 4) {
        word = *current_word++ ^ invertWord(crc);
        crc = crc_table[0][ word        & 0xFF] ^
              crc_table[1][(word >>  8) & 0xFF] ^
              crc_table[2][(word >> 16) & 0xFF] ^
              crc_table[3][(word >> 24) & 0xFF];

        length -= 4;
    }

    const uint8_t* current_byte = (const uint8_t*)current_word;
    while (length-- != 0) {
        crc = crc_table[0][(crc & 0xFF) ^ *current_byte++] ^ (crc >> 8);
    }

    return ~crc;
}

static
uint32_t crc32Little(uint32_t crc_value, const uint8_t* data, size_t length) {
    uint32_t crc = ~crc_value;
    uint32_t word;
    const uint32_t* current_word = (const uint32_t*)data;

    while (length >= 16) {
        word = *current_word++ ^ crc;
        crc = crc_table[0][(word >> 24) & 0xFF] ^
              crc_table[1][(word >> 16) & 0xFF] ^
              crc_table[2][(word >>  8) & 0xFF] ^
              crc_table[3][ word        & 0xFF];
        word = *current_word++ ^ crc;
        crc = crc_table[0][(word >> 24) & 0xFF] ^
              crc_table[1][(word >> 16) & 0xFF] ^
              crc_table[2][(word >>  8) & 0xFF] ^
              crc_table[3][ word        & 0xFF];
        word = *current_word++ ^ crc;
        crc = crc_table[0][(word >> 24) & 0xFF] ^
              crc_table[1][(word >> 16) & 0xFF] ^
              crc_table[2][(word >>  8) & 0xFF] ^
              crc_table[3][ word        & 0xFF];
        word = *current_word++ ^ crc;
        crc = crc_table[0][(word >> 24) & 0xFF] ^
              crc_table[1][(word >> 16) & 0xFF] ^
              crc_table[2][(word >>  8) & 0xFF] ^
              crc_table[3][ word        & 0xFF];

        length -= 16;
    }

    while (length >= 4) {
        word = *current_word++ ^ crc;
        crc = crc_table[0][(word >> 24) & 0xFF] ^
              crc_table[1][(word >> 16) & 0xFF] ^
              crc_table[2][(word >>  8) & 0xFF] ^
              crc_table[3][ word        & 0xFF];

        length -= 4;
    }

    const uint8_t* current_byte = (const uint8_t*)current_word;
    while (length-- != 0) {
        crc = crc_table[0][(crc ^ *current_byte++) & 0xFF] ^ (crc >> 8);
    }

    return ~crc;
}

Crc32::Crc32() : data_poiter_(nullptr), data_size_(0), crc_value_(0),
                 crc_length_(0), is_checking_(true) {
    byte_order_ = checkByteOrder();
}

Crc32::Crc32(uint8_t* data_poiter, uint32_t data_size, uint32_t crc_value,
             uint32_t crc_length, bool is_checking) :
             data_poiter_(data_poiter), data_size_(data_size),
             crc_value_(crc_value), crc_length_(crc_length),
             is_checking_(is_checking) {
    byte_order_ = checkByteOrder();
}

ByteOrder Crc32::checkByteOrder() {
    uint32_t value = 1;
    if (*((uint8_t*)(&value))) {
        return LITTLE_ENDIAN_ORDER;
    }
    else {
        return BIG_ENDIAN_ORDER;
    }
}

void Crc32::setCrc(uint8_t* data_poiter, uint32_t data_size,
                   uint32_t crc_value, uint32_t crc_length) {
    data_poiter_ = data_poiter;
    data_size_   = data_size;
    crc_value_   = crc_value;
    crc_length_  = crc_length;
}

bool Crc32::calculateCrc(uint32_t data) {
    if (!is_checking_) {
        LOG(ERROR) << "Cyclic redundancy checking is tuned off.";
        return false;
    }

    uint32_t crc = crc32Big(crc_value_, (uint8_t*)&data, 4);
    crc_value_ = crc;

    return true;
}

bool Crc32::calculateCrc() {
    if (!is_checking_) {
        LOG(ERROR) << "Cyclic redundancy checking is tuned off.";
        return false;
    }

    if (data_poiter_ == nullptr) {
        LOG(ERROR) << "Data pointer: invalid data pointer";
        return false;
    }

    if (data_size_ == 0) {
        LOG(ERROR) << "Data size: 0";
        return false;
    }

    if (crc_length_ == 0) {
        LOG(ERROR) << "Crc checking length: 0";
        return false;
    }

    uint32_t crc;
    if (byte_order_ == LITTLE_ENDIAN_ORDER) {
        if (crc_length_ <= data_size_) {
            crc = crc32Little(crc_value_, data_poiter_, crc_length_);
            crc_length_ = 0;
        }
        else {
            crc = crc32Little(crc_value_, data_poiter_, data_size_);
            crc_length_ -= data_size_;
        }
    }
    else {
        if (crc_length_ <= data_size_) {
            crc = crc32Big(crc_value_, data_poiter_, crc_length_);
            crc_length_ = 0;
        }
        else {
            crc = crc32Big(crc_value_, data_poiter_, data_size_);
            crc_length_ -= data_size_;
        }
    }
    crc_value_ = crc;

    return true;
}

bool Crc32::resetData(uint8_t* data_poiter, uint32_t data_size) {
    if (data_poiter == nullptr) {
        LOG(ERROR) << "Data pointer: invalid data pointer.";
        return false;
    }

    if (data_size == 0) {
        LOG(ERROR) << "Data size: 0.";
        return false;
    }

    data_poiter_ = data_poiter;
    data_size_ = data_size;

    return true;
}

bool Crc32::isChecking() const {
    return is_checking_;
}

void Crc32::turnOn() {
    is_checking_ = true;
}

void Crc32::turnOff() {
    is_checking_ = false;
}

uint32_t Crc32::getCrcValue() const {
    return crc_value_;
}

uint32_t Crc32::getCrcLength() const {
    return crc_length_;
}

} //! namespace x86
} //! namespace cv
} //! namespace ppl
